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RSS订阅原创 ceshi
class User: def __init__(self, first_name, last_name): self.first = first_name self.last = last_name self.login_attempts = 0 def describe_user(self): long_name = f"{self.first} {self.last} " return long_name...
2021-11-07 18:14:19
84
原创 一个简单的函数调用
#首先创建一个列表，其中包含一些要打印的设计。unprinted_designs = ['phone case', 'robot pendant', 'dodecahefron']completed_models = []while unprinted_designs: current_design = unprinted_designs.pop() print(f"Printing model: {current_design}") completed_models.ap.
2021-10-24 18:08:49
96
原创 两层词典的嵌套
person_0 = {'surname': 'kaihu', 'given_name': 'biangeng', 'age':'18','city': 'kaixiaobian'}person_1 = {'surname': 'shebaoka', 'given_name': 'chongzuoka', 'age':'19', 'city': 'ka'}person_2 = {'surname': 'gongjijin', 'given_name': 'guiji', 'age':'20', 'ci.
2021-10-24 09:40:40
84
原创 if 语句练习5-3
alien_colors = ['green', 'yellow', 'red']alien_color = 'green'if alien_color == 'green': print('You got 5 point!')alien_color = 'red'if alien_color == 'green': print('You got 5 point!')alien_color = 'green'if alien_color == 'green': .
2021-10-23 15:18:43
65
原创 Yuan zu de dingyi
dimensions = (200,50)print(dimensions[0])print(dimensions[1])#尝试修改元组dimensions的一个元素，会导致Python返回类型错误消息#dimensions[0] = 250my_t = (3,)print(my_t)for dimension in dimensions: print(dimension)dimensions = (200,50)print("Original dimensions:".
2021-10-23 09:22:31
98
原创 Python中怎么向sorted（）传递参数reverse=True
cars = ['bmw', 'audi', 'toyota', 'subaru'] printsorted(cars ) printsorted(cars ,reverse=True) 输出：['audi', 'bmw', 'subaru', 'toyota']['toyota', 'subaru', 'bmw', 'audi']cars = ['bmw', 'audi', 'toyota', 'subaru']cars.sort()prin...
2021-10-17 11:24:29
12159
10
空空如也
为什么用print会有none，而直接调用方法则不会有
2021-11-07
想问一下这一段跑出来结果为啥会有一个none?
2021-11-07
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